Sun Valley (postcode 2777) is a quiet locality in New South Wales within the Blue Mountains local government area. It is home to about 234 residents, with a mature demographic and a median age of 47. Households earn a median income of $123K per year, with an average household size of 2.9 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +0.5% year-on-year at the LGA level. NSW employment has moved +1.2% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. NSW also had 35 Commonwealth-backed major projects under construction, 17 underway, and 67 in planning as at 2025-09-01, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are professionals, technicians & trades, managers. Employment in the area leans toward education and professional services. The top ancestries reported are English, Australian, Irish.
The median house price in Sun Valley is $1.4 million, having declined steeply by 8.1% over the past year. The current median weekly rent is $650. This gives a gross rental yield of approximately 2.4%. The median monthly mortgage repayment is $3,000.
The crime rate in the Blue Mountains LGA is low at 1,933 incidents per 100,000 population.
From an investment perspective, The gross rental yield works out to roughly 2.4%, which reads as low yield. Property prices are near the state median ($1.4M/$1.5M). The price-to-income ratio of 11.5x is considered stretched. House prices have moved -8.1% year-on-year. Population growth of +0.5% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.